/Engine/Source/Runtime/Engine/Classes/Engine/Texture2D.h
Asynchronously update a set of regions of a texture with new data.
void UpdateTextureRegions ( int32 MipIndex, uint32 NumRegions, const [FUpdateTextureRegion2D](API\Runtime\RHI\FUpdateTextureRegion2D) * Regions, uint32 SrcPitch, uint32 SrcBpp, uint8 * SrcData, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void(uint8 *SrcData, const [FUpdateTextureRegion2D](API\Runtime\RHI\FUpdateTextureRegion2D) *Regions)> DataCleanupFunc )